AD 69-11-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | M7 Aerospace LLC | SA26-AT | Airworthiness Directives; SWEARINGEN Model SA26-T and SA26-AT |
| aircraft | M7 Aerospace LLC | SA26-T | Airworthiness Directives; SWEARINGEN Model SA26-T and SA26-AT |
Unsafe Condition
Failures of cockpit side windows, part numbers 26-21288-1 and 26-21288-2.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Operate aircraft with cabin pressure differential not exceeding 5.0 psi. Install placard indicating maximum allowable cabin pressure differential of 5.0 psi before first flight. Inspect cockpit side windows for cracks before each flight. If cracks found, operate unpressurized only. Install new windows per Swearingen SB 26-68 or equivalent to discontinue AD requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
After the effective date of this AD (May 26, 1969)
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Affected Aircraft
SWEARINGEN Model SA26-T, serial numbers T26-2 through T26-99, and Model SA26-AT, serial numbers T26-100 through T26-142.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Cockpit Side Windows
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-11-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-11-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SWEARINGEN Model SA26-T and SA26-AT Subject: Cockpit Side Windows Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/26/1969 Make: M7 Aerospace LLC Model: SA26-AT | SA26-T Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-11-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-767 AD NUMBER: 69-11-01 SUBJECT HEADING: Airworthiness Directives; SWEARINGEN Model SA26-T and SA26-AT ACTION: SUMMARY: DATES: Effective May 26, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-11-01 SWEARINGEN : Amdt. 39-767. Applies to Model SA26-T, S/N T26-2 through S/N T26-99, and Model SA26-AT, S/N T26-100 through S/N T26-142. Compliance required as indicated. To prevent failures of cockpit side windows, P/N 26-21288-1 and P/N 26-21288-2, accomplish the following: (1) After the effective date of this AD: (a) Operate aircraft with cabin pressure differential not in excess of 5.0 psi. (b) Prior to the first flight, install placard in full view of pilot calling out maximum allowable cabin pressure differential of 5.0 psi. (c) Prior to each flight, inspect cockpit side windows for cracks, with particular attention to all edges and corners. (2) If any crack is found, airplanes may be operated unpressurized only. (3) Upon installation of new cockpit side windows, P/N 26-21383-5 and -6, in accordance with Swearingen Aircraft Service Bulletin No. 26-68 dated April 28, 1969, or later FAA-approved revision or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, FAA, the 5.0 psi limiting placard may be removed and the requirements of this AD discontinued. This amendment becomes effective May 26, 1969. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_69-11-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-11-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SWEARINGEN Model SA26-T and SA26-AT Subject: Cockpit Side Windows Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/26/1969 Make: M7 Aerospace LLC Model: SA26-AT | SA26-T Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-11-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-767 AD NUMBER: 69-11-01 SUBJECT HEADING: Airworthiness Directives; SWEARINGEN Model SA26-T and SA26-AT ACTION: SUMMARY: DATES: Effective May 26, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-11-01 SWEARINGEN : Amdt. 39-767. Applies to Model SA26-T, S/N T26-2 through S/N T26-99, and Model SA26-AT, S/N T26-100 through S/N T26-142. Compliance required as indicated. To prevent failures of cockpit side windows, P/N 26-21288-1 and P/N 26-21288-2, accomplish the following: (1) After the effective date of this AD: (a) Operate aircraft with cabin pressure differential not in excess of 5.0 psi. (b) Prior to the first flight, install placard in full view of pilot calling out maximum allowable cabin pressure differential of 5.0 psi. (c) Prior to each flight, inspect cockpit side windows for cracks, with particular attention to all edges and corners. (2) If any crack is found, airplanes may be operated unpressurized only. (3) Upon installation of new cockpit side windows, P/N 26-21383-5 and -6, in accordance with Swearingen Aircraft Service Bulletin No. 26-68 dated April 28, 1969, or later FAA-approved revision or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, FAA, the 5.0 psi limiting placard may be removed and the requirements of this AD discontinued. This amendment becomes effective May 26, 1969. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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